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sesenic [268]
2 years ago
4

Consider the inequality -20.2 > 0y. Which of the following must be true? Check all that apply.

Mathematics
2 answers:
enot [183]2 years ago
8 0

Answer:

Step-by-step explanation:

1 and 2

1 because indeed you can't divide -20.2 by zero to get y

2 because the inequality is basically a false situation.

butalik [34]2 years ago
3 0
The answer is definitely 1 and 2
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Chapter 7 of the Jiuzhang suanshu presents a problem of two linear equations involving acres of land and their respective prices
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Answer: 33.041666

Step-by-step explanation:

Given: The translated equation : 300x+y = 10000

To find the value of x if y = 87.5, we need to substitute the value of y in the given translated equation, we will get

300x+87.5 = 10000

Subtract 87.5 from both the sides , we get

300x=9912.5

Now, divide 300 on both the sides, we get

x=\frac{9912.5}{300}\\\\\Rightarrow x=33.041666666

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2 years ago
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The true average diameter of ball bearings of a certain type is supposed to be 0.5 in. A one-sample t test will be carried out t
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Answer:

Option C - Do not reject the null hypothesis. There is not sufficient evidence that the true diameter differs from 0.5 in

Step-by-step explanation:

We are given;

n = 15

t-value = 1.66

Significance level;α = 0.05

So, DF = n - 1 = 15 - 1 = 14

From the one-sample t - table attached, we can see that the p - value of 0.06 at a t-value of 1.66 and a DF of 14

Now, since the P-value is 0.06,it is greater than the significance level of 0.05. Thus we do not reject the null hypothesis. We conclude that there is not sufficient evidence that the true diameter differs from 0.5 in.

8 0
2 years ago
(Pic above) In the figure above , O is the center of square. What is the area of the square?
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2 years ago
The volume of a barrel of oil is calculated as 257,166 cm³.
Firdavs [7]
What is the digit at the hundred thousands place? It is 2. Is the digit to the right of it less than 5? No, 5 is 5. So replace the digits to the right of 2 with 0, and change the 2 to 3.
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Lieutenant Commander Data is planning to make his monthly (every 30 days) trek to Gamma Hydra City to pick up a supply of isolin
Nookie1986 [14]

Answer:

a

 N  =  209 \ unites

b

 N_{max}  =  249  

Step-by-step explanation:

From the question we are told that

   The daily demand is  d =  7/day

   The  standard deviation is  \sigma  =  3 /day

   The  service probability is  s =  95\%  =  0.95

    The number of chips  in the inventory is k  =  40

   The number of days in his monthly is  T =  30 \  days

    The lead time is  L  =  4

 

Generally the number he should order (optimal order ) is mathematically represented as

      N  =  d(L  +  T)+(\sigma_{T + L}  * z)  -k

Here \sigma__{T+L }} is the monthly standard deviation which is mathematically evaluated as

            \sigma__{T  + L}} =  \sqrt{(T + L) * 1^2}

=>         \sigma__{T  + L}}  =  \sqrt{34}

=>          \sigma__{T+L}} =  5.83

Also  z-value  for the  95% service probability  from the z-table  is  1.96

So

      N  =  7 *  (30 +4 ) + (1.96 *  5.83) - 40

=>     N  =  209 \ unites

For the maximum order quantity  k =  0

So

    N_{max} = d(L  +  T)+(\sigma_{T + L}  * z)  -0

=> N_{max}  =  7 *  (30 +4 ) + (1.96 *  5.83) - 0

=>  N_{max}  =  249  

7 0
2 years ago
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